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