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

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

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

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

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