C31232233133313221211113313331333132313331322121133133313232223223313321   >>    C3123223313331322121111331333133313231333132212113313331323222322331332   <<    C31232233133313221211113313331333132313331322121133133313232223223313323   >>      C31232233133313221211113313331333132313331322121133133313232223223313322   >>