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