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

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

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

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

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