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

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

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

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

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