C1111233133313231133133313331333133313231121333133313331311213131   >>    C111123313331323113313331333133313331323112133313331333131121313   <<    C1111233133313231133133313331333133313231121333133313331311213133   >>      C1111233133313231133133313331333133313231121333133313331311213132   >>