C212212121212113313221323131323131323132322331323132233131111211331   >>    C21221212121211331322132313132313132313232233132313223313111121133   <<    C212212121212113313221323131323131323132322331323132233131111211333   >>      C212212121212113313221323131323131323132322331323132233131111211332   >>