C313212111133131211331333133313331333131133132313233313331333133313331323221221   >>    C31321211113313121133133313331333133313113313231323331333133313331333132322122   <<    C313212111133131211331333133313331333131133132313233313331333133313331323221223   >>      C313212111133131211331333133313331333131133132313233313331333133313331323221222   >>