C1111233133313231133133313331333133313231121333133313133313232212113321   >>    C111123313331323113313331333133313331323112133313331313331323221211332   <<    C1111233133313231133133313331333133313231121333133313133313232212113323   >>      C1111233133313231133133313331333133313231121333133313133313232212113322   >>