C11111333133313232233133313331333133313231312111133131333131323331121131   >>    C1111133313331323223313331333133313331323131211113313133313132333112113   <<    C11111333133313232233133313331333133313231312111133131333131323331121133   >>      C11111333133313232233133313331333133313231312111133131333131323331121132   >>