C312322331333132212111133133313331323133313221211113323133313221232313221   >>    C31232233133313221211113313331333132313331322121111332313331322123231322   <<    C312322331333132212111133133313331323133313221211113323133313221232313223   >>      C312322331333132212111133133313331323133313221211113323133313221232313222   >>