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

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

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

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

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