C1111233133313231133133313331333133313231323331323133313233121122221   >>    C111123313331323113313331333133313331323132333132313331323312112222   <<    C1111233133313231133133313331333133313231323331323133313233121122223   >>      C1111233133313231133133313331333133313231323331323133313233121122222   >>