C1111133313331323223313331333133313113313231333132322333333132221   >>    C111113331333132322331333133313331311331323133313232233333313222   <<    C1111133313331323223313331333133313113313231333132322333333132223   >>      C1111133313331323223313331333133313113313231333132322333333132222   >>