C11111211113313112113313331333133313331122112312111133132322131122233131   >>    C1111121111331311211331333133313331333112211231211113313232213112223313   <<    C11111211113313112113313331333133313331122112312111133132322131122233133   >>      C11111211113313112113313331333133313331122112312111133132322131122233132   >>