C11111211113313112113313331333133313331122112312111133132322321111331323131111   >>    C1111121111331311211331333133313331333112211231211113313232232111133132313111   <<    C11111211113313112113313331333133313331122112312111133132322321111331323131113   >>      C11111211113313112113313331333133313331122112312111133132322321111331323131112   >>