C11112331333132311331333133313331312111113311212111133132313113323221   >>    C1111233133313231133133313331333131211111331121211113313231311332322   <<    C11112331333132311331333133313331312111113311212111133132313113323223   >>      C11112331333132311331333133313331312111113311212111133132313113323222   >>