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

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

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

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

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