C22121333132313311211113313331333133313331333132211233133313133121   >>    C2212133313231331121111331333133313331333133313221123313331313312   <<    C22121333132313311211113313331333133313331333132211233133313133123   >>      C22121333132313311211113313331333133313331333132211233133313133122   >>