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

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

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

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

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