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

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

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

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

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