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

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

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

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

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