C11112331312111112111133133313331333133313133313331333133313311211331322122321   >>    C1111233131211111211113313331333133313331313331333133313331331121133132212232   <<    C11112331312111112111133133313331333133313133313331333133313311211331322122323   >>      C11112331312111112111133133313331333133313133313331333133313311211331322122322   >>