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

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

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

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