C11111211113313112113313331333132313331322121111133313331133121   >>    C1111121111331311211331333133313231333132212111113331333113312   <<    C11111211113313112113313331333132313331322121111133313331133123   >>      C11111211113313112113313331333132313331322121111133313331133122   >>