C1111121111331311211331333133313231333132211312111133131332233221   >>    C111112111133131121133133313331323133313221131211113313133223322   <<    C1111121111331311211331333133313231333132211312111133131332233223   >>      C1111121111331311211331333133313231333132211312111133131332233222   >>