C11111333133313232233133313331333133313231312331323133313231323311   >>    C1111133313331323223313331333133313331323131233132313331323132331   <<    C11111333133313232233133313331333133313231312331323133313231323313   >>      C11111333133313232233133313331333133313231312331323133313231323312   >>