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