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