C2122121212121133132213231313231323131323223313231322331323133112111311   >>    C212212121212113313221323131323132313132322331323132233132313311211131   <<    C2122121212121133132213231313231323131323223313231322331323133112111313   >>      C2122121212121133132213231313231323131323223313231322331323133112111312   >>