C31232233133313221211113313331333132313331322121133133313232212111111211322131   >>    C3123223313331322121111331333133313231333132212113313331323221211111121132213   <<    C31232233133313221211113313331333132313331322121133133313232212111111211322133   >>      C31232233133313221211113313331333132313331322121133133313232212111111211322132   >>