C11111333133313232233133313331333133313221333133313231321322321   >>    C1111133313331323223313331333133313331322133313331323132132232   <<    C11111333133313232233133313331333133313221333133313231321322323   >>      C11111333133313232233133313331333133313221333133313231321322322   >>