C31232233133313221211113313331333132313331322121133132313231312321   >>    C3123223313331322121111331333133313231333132212113313231323131232   <<    C31232233133313221211113313331333132313331322121133132313231312323   >>      C31232233133313221211113313331333132313331322121133132313231312322   >>