C232212111133133312331333133313231333132311233133313331322121211   >>    C23221211113313331233133313331323133313231123313331333132212121   <<    C232212111133133312331333133313231333132311233133313331322121213   >>      C232212111133133312331333133313231333132311233133313331322121212   >>