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

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

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

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

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