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

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

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

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

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