C31232233133313221211113313331333132313331322121133133313331312111133131222321   >>    C3123223313331322121111331333133313231333132212113313331333131211113313122232   <<    C31232233133313221211113313331333132313331322121133133313331312111133131222323   >>      C31232233133313221211113313331333132313331322121133133313331312111133131222322   >>