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

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

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

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

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