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