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