C222133313331333131123313231333133313331333132323213331312111113331323213221   >>    C22213331333133313112331323133313331333133313232321333131211111333132321322   <<    C222133313331333131123313231333133313331333132323213331312111113331323213223   >>      C222133313331333131123313231333133313331333132323213331312111113331323213222   >>