C312322331333132212111133133313331323133313221211331333112333321   >>    C31232233133313221211113313331333132313331322121133133311233332   <<    C312322331333132212111133133313331323133313221211331333112333323   >>      C312322331333132212111133133313331323133313221211331333112333322   >>