C1111233133313231133133313331333132313231333121111121111113313221333131133131   >>    C111123313331323113313331333133313231323133312111112111111331322133313113313   <<    C1111233133313231133133313331333132313231333121111121111113313221333131133133   >>      C1111233133313231133133313331333132313231333121111121111113313221333131133132   >>