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