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

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

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

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

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