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

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

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

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

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