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

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

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

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

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