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

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

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

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

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