C111123313121111121111331323132313331323132313231333132322331331   >>    C11112331312111112111133132313231333132313231323133313232233133   <<    C111123313121111121111331323132313331323132313231333132322331333   >>      C111123313121111121111331323132313331323132313231333132322331332   >>