C1111121111331311211331333133313331333133321132111133132313232231   >>    C111112111133131121133133313331333133313332113211113313231323223   <<    C1111121111331311211331333133313331333133321132111133132313232233   >>      C1111121111331311211331333133313331333133321132111133132313232232   >>