C11111211113313112113313331333133313331333132212111133132313331322133311   >>    C1111121111331311211331333133313331333133313221211113313231333132213331   <<    C11111211113313112113313331333133313331333132212111133132313331322133313   >>      C11111211113313112113313331333133313331333132212111133132313331322133312   >>