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