Allocation of GasLog Partners’ profit/(loss)(*)
2018
2019
Partnership’s profit/(loss) attributable to:
Common unitholders
75,879
(66,268)
General partner
1,602
(1,479)
IDRs
2,618
—
Paid and accrued preference equity distributions
22,498
30,328
Total
102,597
(37,419)
Partnership’s profit/(loss) allocated to GasLog
23,882
(22,467)
Partnership’s profit/(loss) allocated to non-controlling interests
78,715
(14,952)
Total
102,597
(37,419)
gaslog ltd .
and its subsidiaries notes to the consolidated financial statements -continued for the years ended december 31 2017 2018 and 2019 -all amounts expressed in thousands of u .
s .
dollars except share and per share data 4 .
equity transactions -continued .
on february 26 2019 the partnership entered into a third amended and restated equity distribution agreement to further increase the size of the atm programme from $ 144040 to $ 250000 .
as of december 31 2019 the unutilized portion of the atm programme is $ 126556 .
on april 1 2019 gaslog partners issued 49850 common units in connection with the vesting of 24925 rcus and 24925 pcus under the gaslog partners ’ plan at a price of $ 22 .
99 per unit .
on june 24 2019 the partnership agreement was amended effective june 30 2019 to eliminate the idrs in exchange for the issuance by the partnership to gaslog of 2532911 common units and 2490000 class b units -of which 415000 are class b-1 units 415000 are class b-2 units 415000 are class b-3 units 415000 are class b-4 units 415000 are class b-5 units and 415000 are class b-6 units issued on june 30 2019 .
the class b units have all of the rights and obligations attached to the common units except for voting rights and participation in distributions until such time as gaslog exercises its right to convert the class b units to common units .
the class b units will become eligible for conversion on a one-for-one basis into common units at gaslog ’ s option on july 1 2020 july 1 2021 july 1 2022 july 1 2023 july 1 2024 and july 1 2025 for the class b-1 units class b-2 units class b-3 units class b-4 units class b-5 units and the class b-6 units respectively .
following the idr elimination the allocation of gaslog partners ’ profit to the non-controlling interests is based on the revised distribution policy for available cash stated in the partnership agreement as amended effective june 30 2019 and under which 98 % of the available cash is distributed to the common unitholders and 2 % is distributed to the general partner .
the updated earnings allocation applies to the total gaslog partners ’ profit for the three months ended june 30 2019 and onwards .
* excludes profits of gas-fourteen ltd .
gas-twenty seven ltd .
and gas-twelve ltd .
for the period prior to their transfers to the partnership on april 26 2018 november 14 2018 and april 1 2019 respectively .
dividends declared attributable to non-controlling interests included in the consolidated statement of changes in equity represent cash distributions to holders of common and preference units .
in the year ended december 31 2019 the board of directors of the partnership approved and declared cash distributions of $ 73090 and of $ 31036 for the common units and preference units respectively held by non-controlling interests .

Question: What are the components of Class B units?
Answer: Class B-1 units Class B-2 units Class B-3 units Class B-4 units Class B-5 units Class B-6 units