C313212111133131211331333133313331333132313123312111133133313223313331323233111   >>    C31321211113313121133133313331333133313231312331211113313331322331333132323311   <<    C313212111133131211331333133313331333132313123312111133133313223313331323233113   >>      C313212111133131211331333133313331333132313123312111133133313223313331323233112   >>