C313212111133131211331333133313331333132313123312111133132233132322233311   >>    C31321211113313121133133313331333133313231312331211113313223313232223331   <<    C313212111133131211331333133313331333132313123312111133132233132322233313   >>      C313212111133131211331333133313331333132313123312111133132233132322233312   >>