C212212121212113313221323131323132313132322331323132233133112111133132311131   >>    C21221212121211331322132313132313231313232233132313223313311211113313231113   <<    C212212121212113313221323131323132313132322331323132233133112111133132311133   >>      C212212121212113313221323131323132313132322331323132233133112111133132311132   >>