C313212111133131211331333133313331333133313231323133313331333133313232212323221   >>    C31321211113313121133133313331333133313331323132313331333133313331323221232322   <<    C313212111133131211331333133313331333133313231323133313331333133313232212323223   >>      C313212111133131211331333133313331333133313231323133313331333133313232212323222   >>