C11111211113313112113313331333133313331312111133132212111111323331322133311   >>    C1111121111331311211331333133313331333131211113313221211111132333132213331   <<    C11111211113313112113313331333133313331312111133132212111111323331322133313   >>      C11111211113313112113313331333133313331312111133132212111111323331322133312   >>