C1111233133313231133133313331333133313231121333133313331322331111   >>    C111123313331323113313331333133313331323112133313331333132233111   <<    C1111233133313231133133313331333133313231121333133313331322331113   >>      C1111233133313231133133313331333133313231121333133313331322331112   >>