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

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

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

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

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