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

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

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

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

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