C32133223331333131133132212111133133313331323223233123121112321   >>    C3213322333133313113313221211113313331333132322323312312111232   <<    C32133223331333131133132212111133133313331323223233123121112323   >>      C32133223331333131133132212111133133313331323223233123121112322   >>