C22212323232133313113313331333132313331323133313332331132222231232313233111   >>    C2221232323213331311331333133313231333132313331333233113222223123231323311   <<    C22212323232133313113313331333132313331323133313332331132222231232313233113   >>      C22212323232133313113313331333132313331323133313332331132222231232313233112   >>