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