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

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

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

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

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