C312322331333132212111133133313331323133313221211111211111133113121222321   >>    C31232233133313221211113313331333132313331322121111121111113311312122232   <<    C312322331333132212111133133313331323133313221211111211111133113121222323   >>      C312322331333132212111133133313331323133313221211111211111133113121222322   >>