C3123121111113313121111331333133313331333223313231333131333131333132331233131   >>    C312312111111331312111133133313331333133322331323133313133313133313233123313   <<    C3123121111113313121111331333133313331333223313231333131333131333132331233133   >>      C3123121111113313121111331333133313331333223313231333131333131333132331233132   >>