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