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