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

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

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

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

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