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

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

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

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

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