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