C31232233133313221211113313331333132313331322121133133313233223313232131   >>    C3123223313331322121111331333133313231333132212113313331323322331323213   <<    C31232233133313221211113313331333132313331322121133133313233223313232133   >>      C31232233133313221211113313331333132313331322121133133313233223313232132   >>