C1111121111331311211331333133313331333133313231333133313331333131121133233131   >>    C111112111133131121133133313331333133313331323133313331333133313112113323313   <<    C1111121111331311211331333133313331333133313231333133313331333131121133233133   >>      C1111121111331311211331333133313331333133313231333133313331333131121133233132   >>