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

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

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

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

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