C11111333133313232233133313331333133313231312111133132212322333131121   >>    C1111133313331323223313331333133313331323131211113313221232233313112   <<    C11111333133313232233133313331333133313231312111133132212322333131123   >>      C11111333133313232233133313331333133313231312111133132212322333131122   >>