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