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