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