C313212111133131211331333133313331333133313231333132233132323221   >>    C31321211113313121133133313331333133313331323133313223313232322   <<    C313212111133131211331333133313331333133313231333132233132323223   >>      C313212111133131211331333133313331333133313231333132233132323222   >>