C11111211113313112113313331333133313331333132313331333133313332111321   >>    C1111121111331311211331333133313331333133313231333133313331333211132   <<    C11111211113313112113313331333133313331333132313331333133313332111323   >>      C11111211113313112113313331333133313331333132313331333133313332111322   >>