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

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

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

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

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