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

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

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

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

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