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