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