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