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

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

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

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

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