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

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

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

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

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