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

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

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

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

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