C111113331333132322331333133313331311331323133112111133132213131   >>    C11111333133313232233133313331333131133132313311211113313221313   <<    C111113331333132322331333133313331311331323133112111133132213133   >>      C111113331333132322331333133313331311331323133112111133132213132   >>