C3123223313331322121111331333133313231333132212111111211312113311   >>    C312322331333132212111133133313331323133313221211111121131211331   <<    C3123223313331322121111331333133313231333132212111111211312113313   >>      C3123223313331322121111331333133313231333132212111111211312113312   >>