C212212121212113313221323131323131323132322331323132233131333131   >>    C21221212121211331322132313132313132313232233132313223313133313   <<    C212212121212113313221323131323131323132322331323132233131333133   >>      C212212121212113313221323131323131323132322331323132233131333132   >>