C1111133313331323223313331333133313311211111211331333131211111322133312111   >>    C111113331333132322331333133313331331121111121133133313121111132213331211   <<    C1111133313331323223313331333133313311211111211331333131211111322133312113   >>      C1111133313331323223313331333133313311211111211331333131211111322133312112   >>