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

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

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

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

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