C111113331333132322331333133313331323133313233213133313232313232211   >>    C11111333133313232233133313331333132313331323321313331323231323221   <<    C111113331333132322331333133313331323133313233213133313232313232213   >>      C111113331333132322331333133313331323133313233213133313232313232212   >>