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

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

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

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

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