C1111133313331323223313331333133313331333131211113313311211111132221   >>    C111113331333132322331333133313331333133313121111331331121111113222   <<    C1111133313331323223313331333133313331333131211113313311211111132223   >>      C1111133313331323223313331333133313331333131211113313311211111132222   >>