C11112331312111112111133133313231333132313331333132213331322113231   >>    C1111233131211111211113313331323133313231333133313221333132211323   <<    C11112331312111112111133133313231333132313331333132213331322113233   >>      C11112331312111112111133133313231333132313331333132213331322113232   >>