C111113331333132322331333133313331331121111121133133313211211231   >>    C11111333133313232233133313331333133112111112113313331321121123   <<    C111113331333132322331333133313331331121111121133133313211211233   >>      C111113331333132322331333133313331331121111121133133313211211232   >>