C3123223313331322121111331333133313121111331323133313232212111133231312321   >>    C312322331333132212111133133313331312111133132313331323221211113323131232   <<    C3123223313331322121111331333133313121111331323133313232212111133231312323   >>      C3123223313331322121111331333133313121111331323133313232212111133231312322   >>