C11111333133313232233133313331333131123313233313231333132313133111   >>    C1111133313331323223313331333133313112331323331323133313231313311   <<    C11111333133313232233133313331333131123313233313231333132313133113   >>      C11111333133313232233133313331333131123313233313231333132313133112   >>