C11111211113313112113313331333133313331333132313331333133313321111331323331321   >>    C1111121111331311211331333133313331333133313231333133313331332111133132333132   <<    C11111211113313112113313331333133313331333132313331333133313321111331323331323   >>      C11111211113313112113313331333133313331333132313331333133313321111331323331322   >>