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

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

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

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

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