C22121333132313311211113313331333132233131133133313331311211313321211   >>    C2212133313231331121111331333133313223313113313331333131121131332121   <<    C22121333132313311211113313331333132233131133133313331311211313321213   >>      C22121333132313311211113313331333132233131133133313331311211313321212   >>