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

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

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

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

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