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

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

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

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

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