C31232233133313221211113313331333132313331322121133133313331333231333131121321   >>    C3123223313331322121111331333133313231333132212113313331333133323133313112132   <<    C31232233133313221211113313331333132313331322121133133313331333231333131121323   >>      C31232233133313221211113313331333132313331322121133133313331333231333131121322   >>