C21321133133313121211113313331323133313231333132233132313331323131133232221121   >>    C2132113313331312121111331333132313331323133313223313231333132313113323222112   <<    C21321133133313121211113313331323133313231333132233132313331323131133232221123   >>      C21321133133313121211113313331323133313231333132233132313331323131133232221122   >>