C22212323232133313113313331333132313331323132213231312131121112131   >>    C2221232323213331311331333133313231333132313221323131213112111213   <<    C22212323232133313113313331333132313331323132213231312131121112133   >>      C22212323232133313113313331333132313331323132213231312131121112132   >>