C11111333133313232233133313331333133313231312111133132231113331   >>    C1111133313331323223313331333133313331323131211113313223111333   <<    C11111333133313232233133313331333133313231312111133132231113333   >>      C11111333133313232233133313331333133313231312111133132231113332   >>