C11111333133313232233133313331333133313232233312111133132231113333321   >>    C1111133313331323223313331333133313331323223331211113313223111333332   <<    C11111333133313232233133313331333133313232233312111133132231113333323   >>      C11111333133313232233133313331333133313232233312111133132231113333322   >>