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

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

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

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

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