C313212111133131211331333133313331333133312111133133313331333133313231231323221   >>    C31321211113313121133133313331333133313331211113313331333133313331323123132322   <<    C313212111133131211331333133313331333133312111133133313331333133313231231323223   >>      C313212111133131211331333133313331333133312111133133313331333133313231231323222   >>