C11111333133313232233133313331333133313231312111133132331133223331   >>    C1111133313331323223313331333133313331323131211113313233113322333   <<    C11111333133313232233133313331333133313231312111133132331133223333   >>      C11111333133313232233133313331333133313231312111133132331133223332   >>