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

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

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

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

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