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

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

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

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

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