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