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

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

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

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

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