C11112331333132311331333133313331312111133132221112111113331311   >>    C1111233133313231133133313331333131211113313222111211111333131   <<    C11112331333132311331333133313331312111133132221112111113331313   >>      C11112331333132311331333133313331312111133132221112111113331312   >>