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