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

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

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

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

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