C313212111133131211331333133313331333133313231333133313331323133313232213233131   >>    C31321211113313121133133313331333133313331323133313331333132313331323221323313   <<    C313212111133131211331333133313331333133313231333133313331323133313232213233133   >>      C313212111133131211331333133313331333133313231333133313331323133313232213233132   >>