C1111121111331311211331333133313231333132211312111133132233223311   >>    C111112111133131121133133313331323133313221131211113313223322331   <<    C1111121111331311211331333133313231333132211312111133132233223313   >>      C1111121111331311211331333133313231333132211312111133132233223312   >>