C11112331312111112111133133313231333132313331333132213221323231   >>    C1111233131211111211113313331323133313231333133313221322132323   <<    C11112331312111112111133133313231333132313331333132213221323233   >>      C11112331312111112111133133313231333132313331333132213221323232   >>