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

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

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

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

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