C11111211113313112113313331333132313331322121111133313331121133132313231322321   >>    C1111121111331311211331333133313231333132212111113331333112113313231323132232   <<    C11111211113313112113313331333132313331322121111133313331121133132313231322323   >>      C11111211113313112113313331333132313331322121111133313331121133132313231322322   >>