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

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

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

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

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