C232212111133133312331333133313231333132313121111133313232212322321   >>    C23221211113313331233133313331323133313231312111113331323221232232   <<    C232212111133133312331333133313231333132313121111133313232212322323   >>      C232212111133133312331333133313231333132313121111133313232212322322   >>