C31232233133313221211113313331333132313331322121111311213233311   >>    C3123223313331322121111331333133313231333132212111131121323331   <<    C31232233133313221211113313331333132313331322121111311213233313   >>      C31232233133313221211113313331333132313331322121111311213233312   >>