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

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

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

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

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