C212212121212113313221323131323131323132322331323132233132211331   >>    C21221212121211331322132313132313132313232233132313223313221133   <<    C212212121212113313221323131323131323132322331323132233132211333   >>      C212212121212113313221323131323131323132322331323132233132211332   >>