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

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

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

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

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