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

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

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

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

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