C111113331333132322331333133313331323133313233213133313331322231312111   >>    C11111333133313232233133313331333132313331323321313331333132223131211   <<    C111113331333132322331333133313331323133313233213133313331322231312113   >>      C111113331333132322331333133313331323133313233213133313331322231312112   >>