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