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