C111112111133131121133133313331333132313113313331333113313231323211331313221   >>    C11111211113313112113313331333133313231311331333133311331323132321133131322   <<    C111112111133131121133133313331333132313113313331333113313231323211331313223   >>      C111112111133131121133133313331333132313113313331333113313231323211331313222   >>