C2122121212121133132213231313231323131323223313231322331323133112312231   >>    C212212121212113313221323131323132313132322331323132233132313311231223   <<    C2122121212121133132213231313231323131323223313231322331323133112312233   >>      C2122121212121133132213231313231323131323223313231322331323133112312232   >>