C11111333133313232233133313331333133313231312111133131133132222233313331323311   >>    C1111133313331323223313331333133313331323131211113313113313222223331333132331   <<    C11111333133313232233133313331333133313231312111133131133132222233313331323313   >>      C11111333133313232233133313331333133313231312111133131133132222233313331323312   >>