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