C11111333133313232233133313331333131123313233313231333132322331311311   >>    C1111133313331323223313331333133313112331323331323133313232233131131   <<    C11111333133313232233133313331333131123313233313231333132322331311313   >>      C11111333133313232233133313331333131123313233313231333132322331311312   >>