C1111233133313231133133313331333133313231121333133313331131233231   >>    C111123313331323113313331333133313331323112133313331333113123323   <<    C1111233133313231133133313331333133313231121333133313331131233233   >>      C1111233133313231133133313331333133313231121333133313331131233232   >>