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

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

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

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

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