C313212111133131211331333133313331333133313231333133313331333133313332233312321   >>    C31321211113313121133133313331333133313331323133313331333133313331333223331232   <<    C313212111133131211331333133313331333133313231333133313331333133313332233312323   >>      C313212111133131211331333133313331333133313231333133313331333133313332233312322   >>