C111113331333132322331333133313331333132313331333133311211211231   >>    C11111333133313232233133313331333133313231333133313331121121123   <<    C111113331333132322331333133313331333132313331333133311211211233   >>      C111113331333132322331333133313331333132313331333133311211211232   >>