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

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

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

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

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