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