C11112331333132311331333133313331312111133132221112111113331313221   >>    C1111233133313231133133313331333131211113313222111211111333131322   <<    C11112331333132311331333133313331312111133132221112111113331313223   >>      C11112331333132311331333133313331312111133132221112111113331313222   >>