C313212111133131211331333133313331333133313231333133313331333133313232322331311   >>    C31321211113313121133133313331333133313331323133313331333133313331323232233131   <<    C313212111133131211331333133313331333133313231333133313331333133313232322331313   >>      C313212111133131211331333133313331333133313231333133313331333133313232322331312   >>