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

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

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

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

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