C111113331333132322331333133313331331121111121133133313331323213231221   >>    C11111333133313232233133313331333133112111112113313331333132321323122   <<    C111113331333132322331333133313331331121111121133133313331323213231223   >>      C111113331333132322331333133313331331121111121133133313331323213231222   >>