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