C22121333132313311211113313331333133313331333132322331312323131   >>    C2212133313231331121111331333133313331333133313232233131232313   <<    C22121333132313311211113313331333133313331333132322331312323133   >>      C22121333132313311211113313331333133313331333132322331312323132   >>