C11111333133313232233133313331333133313231312111133121111332112111   >>    C1111133313331323223313331333133313331323131211113312111133211211   <<    C11111333133313232233133313331333133313231312111133121111332112113   >>      C11111333133313232233133313331333133313231312111133121111332112112   >>