C11111211113313112113313331333133313331122112312111133132323213231   >>    C1111121111331311211331333133313331333112211231211113313232321323   <<    C11111211113313112113313331333133313331122112312111133132323213233   >>      C11111211113313112113313331333133313331122112312111133132323213232   >>