C22121333132313311211113313331333133313231333133313231333133313331333132211331   >>    C2212133313231331121111331333133313331323133313331323133313331333133313221133   <<    C22121333132313311211113313331333133313231333133313231333133313331333132211333   >>      C22121333132313311211113313331333133313231333133313231333133313331333132211332   >>