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