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

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

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

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

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