A tread block arrangement suitable for a tire or for a tread band for a tire, the tread block arrangement comprising - a tread block (220, 222, 224, 240, 242, 244, 230, 250, 210, 212, 214, 216, 218) that limits a first primary sipe, the first primary sipe comprising - at least a first deep part (424 1) and a second deep part (424 2) separated from the first deep part (424 1) by a first shallow part (422 1), wherein - a depth (d2 1) of the first deep part (424 1) is at least three times a depth of the first shallow part (422 1), - a depth (d2 2) of the second deep part (424 2) is at least three times the depth of the first shallow part (422 1), - the tread block arrangement defines a primary boundary and a central line, - a second shallow part (422 2) of the first primary sipe is located closer to the primary boundary than the first shallow part (422 1), - the second shallow part (422 2) is located further away from the central line than the first shallow part (422 1), - the first shallow part (422 1) has a first primary length (I 1 1) on a level of a bottom of the first shallow part (422 1), and - the second shallow part (422 2) has a second primary length (I 2 1) on a level of a bottom of the second shallow part (422 2), characterized in that - the second primary length (I 2 1) is greater than the first primary length (I 1 1), - the first deep part (424 1) is limited in a longitudinal direction of the first primary sipe by a primary first end wall (E1 1) and a secondary first end wall (E2 1) such that a first angle (α 1) between the primary first end wall (E1 1) and the secondary first end wall (E2 1) is from 1 degree to 30 degrees, and - the second deep part (424 2) is limited in a longitudinal direction of the first primary sipe by a primary second end wall (E1 2) and a secondary second end wall (E2 2) such that a second angle (α 2) between the primary second end wall (E1 2) and the secondary second end wall (E2 2) is from 1 degree to 30 degrees. - a tread block (220, 222, 224, 240, 242, 244, 230, 250, 210, 212, 214, 216, 218) that limits a first primary sipe, the first primary sipe comprising - at least a first deep part (424 1) and a second deep part (424 2) separated from the first deep part (424 1) by a first shallow part (422 1), wherein - a depth (d2 1) of the first deep part (424 1) is at least three times a depth of the first shallow part (422 1), - a depth (d2 2) of the second deep part (424 2) is at least three times the depth of the first shallow part (422 1), - the tread block arrangement defines a primary boundary and a central line, - a second shallow part (422 2) of the first primary sipe is located closer to the primary boundary than the first shallow part (422 1), - the second shallow part (422 2) is located further away from the central line than the first shallow part (422 1), - the first shallow part (422 1) has a first primary length (I 1 1) on a level of a bottom of the first shallow part (422 1), and - the second shallow part (422 2) has a second primary length (I 2 1) on a level of a bottom of the second shallow part (422 2), characterized in that - the second primary length (I 2 1) is greater than the first primary length (I 1 1), - the first deep part (424 1) is limited in a longitudinal direction of the first primary sipe by a primary first end wall (E1 1) and a secondary first end wall (E2 1) such that a first angle (α 1) between the primary first end wall (E1 1) and the secondary first end wall (E2 1) is from 1 degree to 30 degrees, and - the second deep part (424 2) is limited in a longitudinal direction of the first primary sipe by a primary second end wall (E1 2) and a secondary second end wall (E2 2) such that a second angle (α 2) between the primary second end wall (E1 2) and the secondary second end wall (E2 2) is from 1 degree to 30 degrees.