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

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

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

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

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