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