(0 20 4)(1 8 5 3 2)(6 11 9)(7 16 14 12 10)(13 18 15)(17 21 19)
ALLOWS (11/8)-SEQUENCE
1: (1 8 13)
(0 20 4)(1 18 15 13 5 3 2)(6 11 9)(7 16 14 12 10)(8)(17 21 19)
2: (7 16 10)
(0 20 4)(1 18 15 13 5 3 2)(6 11 9)(7)(8)(10 14 12)(16)(17 21 19)
3: (1 18 15)
(0 20 4)(1 13 5 3 2)(6 11 9)(7)(8)(10 14 12)(15)(16)(17 21 19)(18)
4: (6 11 9)
(0 20 4)(1 13 5 3 2)(6)(7)(8)(9)(10 14 12)(11)(15)(16)(17 21 19)(18)