C232212111133133312331333133313231333132311233132313331323212221   >>    C23221211113313331233133313331323133313231123313231333132321222   <<    C232212111133133312331333133313231333132311233132313331323212223   >>      C232212111133133312331333133313231333132311233132313331323212222   >>