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