C111113331333132322331333133313331311331323133313221211111213113313332212121   >>    C11111333133313232233133313331333131133132313331322121111121311331333221212   <<    C111113331333132322331333133313331311331323133313221211111213113313332212123   >>      C111113331333132322331333133313331311331323133313221211111213113313332212122   >>