C1111121111331311211331333133313331323132322331323133313231333112111121   >>    C111112111133131121133133313331333132313232233132313331323133311211112   <<    C1111121111331311211331333133313331323132322331323133313231333112111123   >>      C1111121111331311211331333133313331323132322331323133313231333112111122   >>