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

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

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

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

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