C2122121212121133132213231313231313231323223313231322331323121111123221   >>    C212212121212113313221323131323131323132322331323132233132312111112322   <<    C2122121212121133132213231313231313231323223313231322331323121111123223   >>      C2122121212121133132213231313231313231323223313231322331323121111123222   >>