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