C2122121212121133132213231313231313231323223313231322331323233231311211321   >>    C212212121212113313221323131323131323132322331323132233132323323131121132   <<    C2122121212121133132213231313231313231323223313231322331323233231311211323   >>      C2122121212121133132213231313231313231323223313231322331323233231311211322   >>