C321332233313331311331322121111331333133313231323133313121213232311222212221   >>    C32133223331333131133132212111133133313331323132313331312121323231122221222   <<    C321332233313331311331322121111331333133313231323133313121213232311222212223   >>      C321332233313331311331322121111331333133313231323133313121213232311222212222   >>