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

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

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

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

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