C313212111133131211331333133313331333133313231333133313331323133313311232131   >>    C31321211113313121133133313331333133313331323133313331333132313331331123213   <<    C313212111133131211331333133313331333133313231333133313331323133313311232133   >>      C313212111133131211331333133313331333133313231333133313331323133313311232132   >>