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