C22212323232133313113313331333132313231333132313222111121112131   >>    C2221232323213331311331333133313231323133313231322211112111213   <<    C22212323232133313113313331333132313231333132313222111121112133   >>      C22212323232133313113313331333132313231333132313222111121112132   >>